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BOSTON MARATHON 2025

Ilkka Tawast

Bib: 5948•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 15%
Gender (Male)
#0 / 16105
Top 24%
Division (M18-39)
#0 / 5642
Top 49%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:07
Rank: #3644
Start → 5K
20:07 | 6:28/mi
10K· 6.21 mi
40:37
Rank: #4025 (-381)
5K → 10K
20:30 | 6:36/mi
15K· 9.32 mi
1:01:13
Rank: #4156 (-131)
10K → 15K
20:36 | 6:38/mi
20K· 12.43 mi
1:21:51
Rank: #4051 (+105)
15K → 20K
20:38 | 6:38/mi
Half· 13.11 mi
1:26:21
Rank: #4052 (-1)
20K → Half
4:30 | 6:36/mi
25K· 15.53 mi
1:42:34
Rank: #4004 (+48)
Half → 25K
16:13 | 6:41/mi
30K· 18.64 mi
2:04:04
Rank: #3979 (+25)
25K → 30K
21:30 | 6:55/mi
20M
2:13:37
Rank: #3972 (+7)
30K → 20M
9:33 | 7:02/mi
21M
2:21:05
Rank: #3974 (-2)
20M → 21M
7:28 | 7:28/mi
35K· 21.75 mi
2:26:12
Rank: #3966 (+8)
21M → 35K
5:07 | 6:50/mi
23M
2:35:09
Rank: #3993 (-27)
35K → 23M
8:57 | 7:09/mi
24M
2:42:21
Rank: #4054 (-61)
23M → 24M
7:12 | 7:12/mi
40K· 24.85 mi
2:48:34
Rank: #4090 (-36)
24M → 40K
6:13 | 7:16/mi
25.2M
2:51:18
Rank: #4105 (-15)
40K → 25.2M
2:44 | 7:56/mi
Finish· 26.22 mi
2:58:21
Rank: #4129 (-24)
25.2M → Finish
7:03 | 6:55/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:21
Pace6:35 /mi
2nd Half
Distance13.11 mi
Time1:32:00
Pace7:01 /mi
📊Positive Split: 6.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:24:1120:076:2820:07
6:28
-
10K
6.21 mi10:44:4140:376:3220:30
6:36
+0:08
15K
9.32 mi11:05:171:01:136:3420:36
6:38
+0:02
20K
12.43 mi11:25:551:21:516:3520:38
6:38
0:00
Half
13.11 mi11:30:251:26:216:354:30
6:36
-0:02
25K
15.53 mi11:46:381:42:346:3616:13
6:41
+0:05
30K
18.64 mi12:08:082:04:046:3921:30
6:55
+0:14
20M
20.00 mi12:17:412:13:376:419:33
7:02
+0:07
21M
21.00 mi12:25:092:21:056:437:28
7:28
+0:26
35K
21.75 mi12:30:162:26:126:435:07
6:50
-0:38
23M
23.00 mi12:39:132:35:096:458:57
7:09
+0:19
24M
24.00 mi12:46:252:42:216:467:12
7:12
+0:03
40K
24.85 mi12:52:382:48:346:476:13
7:16
+0:04
25.2M
25.20 mi12:55:222:51:186:482:44
7:56
+0:40
Finish
26.22 mi13:02:252:58:216:487:03
6:55
-1:01

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:28 /mi

Average Pace

6:48 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:42:34

58% of race

Time at Steady Pace

43:13

24% of race

Time at Slower Pace

32:34

18% of race

Average Pace: 6:48 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:24:1120:076:2820:07
6:28
#3644
10K
6.21 mi10:44:4140:376:3220:30
6:36
#4025
15K
9.32 mi11:05:171:01:136:3420:36
6:38
#4156
20K
12.43 mi11:25:551:21:516:3520:38
6:38
#4051
Half
13.11 mi11:30:251:26:216:354:30
6:36
#4052
25K
15.53 mi11:46:381:42:346:3616:13
6:41
#4004
30K
18.64 mi12:08:082:04:046:3921:30
6:55
#3979
20M
20.00 mi12:17:412:13:376:419:33
7:02
#3972
21M
21.00 mi12:25:092:21:056:437:28
7:28
#3974
35K
21.75 mi12:30:162:26:126:435:07
6:50
#3966
23M
23.00 mi12:39:132:35:096:458:57
7:09
#3993
24M
24.00 mi12:46:252:42:216:467:12
7:12
#4054
40K
24.85 mi12:52:382:48:346:476:13
7:16
#4090
25.2M
25.20 mi12:55:222:51:186:482:44
7:56
#4105
Finish
26.22 mi13:02:252:58:216:487:03
6:55
#4129
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3644345634564485(Top 16%)4202(Top 26%)4202(Top 74%)
10K6.21 mi3.10 mi4025-3813799-3433799-3434449(Top 16%)4168(Top 26%)4168(Top 74%)
15K9.32 mi3.11 mi4156-1313915-1163915-1164485(Top 16%)4202(Top 26%)4202(Top 74%)
20K12.43 mi3.11 mi4051+1053814+1013814+1013951(Top 14%)3718(Top 23%)3718(Top 66%)
Half13.11 mi0.68 mi4052-1381438144324(Top 15%)4046(Top 25%)4046(Top 72%)
25K15.53 mi2.42 mi4004+483767+473767+474044(Top 14%)3768(Top 23%)3768(Top 67%)
30K18.64 mi3.11 mi3979+253740+273740+274209(Top 15%)3863(Top 24%)3863(Top 68%)
20M20.00 mi1.36 mi3972+73728+123728+124258(Top 15%)3881(Top 24%)3881(Top 69%)
21M21.00 mi1.00 mi3974-23723+53723+54421(Top 16%)3939(Top 24%)3939(Top 70%)
35K21.75 mi0.75 mi3966+83709+143709+144311(Top 15%)3840(Top 24%)3840(Top 68%)
23M23.00 mi1.25 mi3993-273719-103719-104565(Top 16%)3997(Top 25%)3997(Top 71%)
24M24.00 mi1.00 mi4054-613766-473766-475789(Top 20%)4777(Top 30%)4777(Top 85%)
40K24.85 mi0.85 mi4090-363787-213787-215455(Top 19%)4515(Top 28%)4515(Top 80%)
25.2M25.20 mi0.35 mi4105-153794-73794-75477(Top 19%)4395(Top 27%)4395(Top 78%)
Finish26.22 mi1.02 mi4129-243807-133807-135178(Top 18%)4226(Top 26%)4226(Top 75%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4485

Males

4202

M18-39

4202

5K→10K

3.1 - 6.2 mi

Top 16%
×5stories
+79ft-138ft

Overall

4449

Males

4168

M18-39

4168

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4485

Males

4202

M18-39

4202

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3951

Males

3718

M18-39

3718

20K→Half

12.4 - 13.1 mi

Top 15%
×2stories
+19ft-37ft

Overall

4324

Males

4046

M18-39

4046

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

4044

Males

3768

M18-39

3768

25K→30K

15.5 - 18.6 mi

Top 15%
×9stories
+181ft-148ft

Overall

4209

Males

3863

M18-39

3863

30K→20M

18.6 - 20.0 mi

Top 15%
×5stories
+64ft-50ft

Overall

4258

Males

3881

M18-39

3881

20M→21M

20.0 - 21.0 mi

Top 16%
×8stories
+106ft-24ft

Overall

4421

Males

3939

M18-39

3939

21M→35K

21.0 - 21.8 mi

Top 15%
×7stories
+17ft-86ft

Overall

4311

Males

3840

M18-39

3840

35K→23M

21.8 - 23.0 mi

Top 16%
×5stories
+23ft-63ft

Overall

4565

Males

3997

M18-39

3997

23M→24M

23.0 - 24.0 mi

Top 20%
×6stories
+12ft-82ft

Overall

5789

Males

4777

M18-39

4777

24M→40K

24.0 - 24.9 mi

Top 19%
×1story
+6ft-20ft

Overall

5455

Males

4515

M18-39

4515

40K→25.2M

24.9 - 25.2 mi

Top 19%
×1story
+13ft-16ft

Overall

5477

Males

4395

M18-39

4395

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2stories
+22ft-21ft

Overall

5178

Males

4226

M18-39

4226

Passing Analysis

Category:
Athletes Passed
849
Passed By
1334
Net Change
-485
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3644
5K → 10K32413-381#3644#4025
10K → 15K44175-131#4025#4156
15K → 20K16156+105#4156#4051
20K → Half1920-1#4051#4052
Half → 25K10153+48#4052#4004
25K → 30K138113+25#4004#3979
30K → 20M5851+7#3979#3972
20M → 21M6567-2#3972#3974
21M → 35K4436+8#3974#3966
35K → 23M6491-27#3966#3993
23M → 24M3394-61#3993#4054
24M → 40K3268-36#4054#4090
40K → 25.2M1833-15#4090#4105
25.2M → Finish4064-24#4105#4129
TOTALS8491334-485
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing